package org.wangzx.framework.security.authentication;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.wangzx.framework.security.dto.SimpleErrorResponse;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by WangZX on 2018/7/11.
 */
@Component("defaultAuthenticationFailureHandler")
public class DefaultAuthenticationFailureHandler implements AuthenticationFailureHandler {

    @Autowired
    private ObjectMapper objectMapper;

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setStatus(HttpStatus.UNAUTHORIZED.value());
        response.setContentType("application/json;charset=UTF-8");
        SimpleErrorResponse simpleErrorResponse = new SimpleErrorResponse(System.currentTimeMillis(),HttpStatus.UNAUTHORIZED.value(), exception.getMessage(),request.getServletPath().toString(),"Unauthorized");
        response.getWriter().write(objectMapper.writeValueAsString(simpleErrorResponse));
    }
}
